Home / 9,939.20-14,908.16-3,364.80

Finding the Fourth Proportional to 9,939.20, 14,908.16 and 3,364.80

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Solution

The fourth proportional to 9,939.20, 14,908.16 and 3,364.80 is: 5,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.20 : 14,908.16 = 3,364.80 : x
  2. Step 2: Convert to fraction form
    9,939.20/14,908.16 = 3,364.80/x
  3. Step 3: Cross multiply
    9,939.20x = 14,908.16 × 3,364.80
  4. Step 4: Simplify right side
    9,939.20x = 50,162,976.77
  5. Step 5: Solve for x
    x = 50,162,976.77/9,939.20
  6. Step 6: Final answer
    x = 5,046.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.